Re: [tcpm] Suggestion for TCP Maintenance and Minor Extensions (tcpm)

Joe Touch <touch@ISI.EDU> Thu, 28 May 2009 15:26 UTC

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Date: Thu, 28 May 2009 08:27:28 -0700
From: Joe Touch <touch@ISI.EDU>
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Subject: Re: [tcpm] Suggestion for TCP Maintenance and Minor Extensions (tcpm)
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Hi, Tim,

tim robertson wrote:
> Hi, I have a suggestion for TCP Maintenance and Minor Extensions (tcpm).
> You should make TCP censorship free. By that I mean isp's shouldn't be
> able to block websites by using blacklists, url blocking, ip address
> block, dns, keyword block etc. 

If what you're asking for is to have us design a TCP that can't be
easily blocked, then yes, that might happen here. Note that this would
require a way to specify the service that, e.g., a popular web server
could decipher (e.g., wikipedia, etc.), but that an intermediate could
not. The intermediate could always block anything it can't decipher, and
you're back where you are now, though.

However, if you're asking us to regulate what ISPs do, that doesn't
happen in the IETF. We don't regulate, do compliance verification, or
otherwise endorse implementations.

It might be useful to clarify what you are seeking...

Joe

(PS to the WG - I was surprised that there doesn't appear to be a direct
statement of the second point above in the Tao of the IETF. Anyone have
a better reference?)

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